Blade Root Bushing Technology - Bio-Inspired Noise Reduction Aerodynamic Imbalance Detection Using SCADA Data - WindEurope
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July/August 2020 Volume 16 No. 4
Blade Root Bushing
Technology
Bio-Inspired Noise Aerodynamic Bending Wind
Reduction Imbalance Detection Turbine Blades
Using SCADA Data Circular
Page 16 Page 19 Page 22
2020 Supporters
Windtech International thanks the following
companies for their support in 2020!
2 | Windtech International | July/August 2020
www.husumwind.com
Contents
July/August 2020
Windtech Future
The Race for Bigger Turbines
Continues
By Feng Zhao, Strategy Director at Global
Wind Energy Council
Page 10
View from Inside
Kick-Starting Offshore Wind in
Blade Root Bushing Bio-Inspired Noise India
Technology Reduction
By Sidharth Jain, MEC Intelligence, India
What Goes In, Comes Out Adapting the Unique
Features of the Owl Wing Page 29
By Edo Kuipers, We4Ce, the
Netherlands By W. Nathan Alexander,
Assistant Professor, Virginia
Tech, USA
Regular Sections
Page 7 Page 16
Publisher’s Note 5
Company News 10
Projects & Contracts 13
Product News 24
Industry News 27
Agenda 28
Index of Advertisers 28
The Front Cover
Aerodynamic Imbalance Bending Wind Turbine
Detection Using SCADA Blades Circular
Data
Environmental and Economic For wind turbine blades, generally two main
root connection types exist to connect the
Pitch Health Indicator for Static Improvements Through
rotor blade to the hub of the turbine: the T-bolt
Pitch Misalignment of Rotor Chemical Recycling connection or bushing technology. Where for
Blades small size rotor blades both connection types are
By Nina Vielen-Kallio, New frequently used, for the large multi-megawatt
By Nicolas Quiévy, Julien Masson,
Business Manager, Virol, the turbines the bushing connection technology
Fiona Buckley, Olivier Van Oost, is becoming very interesting because of the
Netherlands
Stephane Bronckers, Belgium potential to have longer blades with smaller
roots. In the article on page 7 the bushing
Page 19 Page 22 connection is discussed.
July/August 2020 | Windtech International | 3
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Index of Supporters
Supporter Website Page
DeTect www.detect-inc.com 4
Engie www.engie.com 19
GWEC www.gwec.net 31
Leosphere, a Vaisala company www.vaisala.com/leadwithlidar 2
Nel Hydrogen www.nelhydrogen.com 9
Rewitec www.rewitec.com 18
Vector Instruments www.windspeed.co.uk 4
Virginia Tech www.vt.edu 16
Virol www.virol.nl 22
WE4CE www.we4ce.eu 4
WindEnergy Hamburg www.windenergyhamburg.com 6
Windforce Conference 2020 www.windforce.info 32
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Publisher’s Note
Windtech International is the worldwide infor- European Commission makes fighting climate
mation magazine for the wind energy industry.
Windtech International gives topical overviews
and the latest news and developments in the
change central to Europe’s economic recovery
technology and management of wind energy.
The magazine covers areas such as Acoustic
issues, Aerodynamics, Anemometers, Basements On 21 July, European Union (EU) leaders agreed a
(onshore and offshore), Bearings, Cables and deal for a post-coronavirus recovery package and a
piping, Climate change, Coatings (production
new EU budget for 2021–2027 (€ 1.1 trillion) fol-
procedures), Cranes, Gears, Generators,
Insurance and certification issues, Lightning lowing a four-day summit. The recovery package
conductors, Lubricants, Maintenance issues, remains consistent with proposals raised in May,
Materials science, Mathematical wind which suggested a € 750 billion spending pack-
programmes, Power curve measurements, age for green and digital transitions. The recovery
Project development, Software development, package is a combination of grants and loans.
Sound measurement, Subsidy issues,
Towers and Transformers. The European Commission has said that it will
Publishing Company : Siteur Publications make fighting climate change central to Europe’s
Publisher : Floris Siteur economic recovery from the coronavirus pan-
Sub-editor : Cathryn Primrose-Mathisen demic. A total of 30% of the recovery package
Asia Representative : Joost Siteur has been allocated to spending on green and
digital transitions. Spending will be guided by a
Subscription new sustainable finance taxonomy, which will
Windtech International can be obtained also encourage private investment in technolo-
by subscription. The yearly subscription to gies that will contribute to at least one of six
Windtech International to European countries environmental metrics and objectives set out by
is € 45 and for countries outside Europe the EU, including climate change mitigation. An
the rate is US$ 60. For special student and important aspect of the green recovery plan is the
group/bulk susbcriptions please contact our
fact that it is the Commission not the member
subscription departement
(subscription@windtech-international.com states that will oversee how the funding is spent;
however, several member states have already
Advertisements announced recovery plans which focus on a green
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lines are available in the media planner.
For more information please contact Also, on 1 July, Germany took over the EU Council Presidency. The German Presidency aims
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(advertising@windtech-international.com). The German Presidency Programme underlines the fundamental importance of the EU Green
Editorial Contributions Deal for Europe’s recovery from COVID-19. To help deliver this transformation, the German
All material submitted to the publisher Presidency is betting on offshore wind and renewable hydrogen.
(Siteur Publications) and relating to Windtech
International will be treated as unconditionally The Presidency Programme says that the rapid expansion of offshore wind has a key role to
assigned for publication under copyright play in achieving the EU’s ambitious renewable energy targets and ensuring the security of
subject to the Editor’s unrestricted right to edit energy supply. The German Presidency also suggests development of joint offshore wind pro-
and offer editorial comment. Siteur Publications
jects between countries, which is also the aim of the North Seas Energy Cooperation (NSEC).
assumes no responsibility for unsolicited
material or for the accuracy of information thus NSEC is a regional energy cooperation between Belgium, Germany, Denmark, France, Ireland,
received. Siteur Publication assumes, in Luxembourg, the Netherlands, Norway and Sweden to facilitate the integration of large-scale
addition, no obligation for return post- offshore wind in the European energy markets as well as more coordinated offshore grid devel-
age of material if not explicitly requested. opment.
Contributions must be sent to the
editorial department At a meeting co-chaired by German Minister Peter Altmaier and Commissioner Simson, min-
(editorial@ windtech-international.com). isters from NSEC countries and the European Commission agreed a joint statement agreeing
Reprints that existing barriers should be tackled for an accelerated deployment of multinational hybrid
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at advertising@windtech-international.com. for hybrid projects, maritime spatial planning, and a long-term vision for the role of offshore
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Postal address:
Siteur Publications gen.
Dr C Hofstede de Grootkade 28
9718 KB Groningen After the pause of many events due to COVID-19, one of the first events organised will be the
The Netherlands WINDFORCE Conference. The 16th WINDFORCE Conference will now take place on the new
Tel.: +31 (0)50 5798924 date of 3 and 4 September in Bremerhaven, Germany. The event is the central meeting point
Fax: +31 (0)50 5798925 for the German and international offshore wind industry. Although in the first half of 2020
info@windtech-international.com only 219MW of offshore wind fed into the German grid, for the first time the country is betting
www.windtech-international.com
big on offshore wind. In the draft law to amend the Offshore Wind Energy Act adopted by the
No material may be reproduced in whole or in Federal Cabinet, new targets for the further expansion of offshore wind energy up to 2040 were
part without written defined. Instead of the offshore target of 15GW as previously defined in the German Renewable
permission of Siteur Publications. Energy Sources Act or EEG, a new target of 20GW is to be achieved by 2030. By 2040, 40GW of
offshore capacity is planned. If you want to learn more about the future of (German) offshore
Copyright © 2020 wind, I suggest signing up for the event in Bremerhaven. It would also be nice to see each other
Siteur Publications again in person.
The Netherlands
All rights reserved Enjoy reading,
ISSN 1574-2415 Floris Siteur
Publisher
siteurpublications fsiteur@windtech-international.com
July/August 2020 | Windtech International | 5
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